576df2827a30c51a593cd57a8c71d7a087a2ae4707521f50b2936654a7ae0175

Analysis

max time kernel
157s
max time network
170s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 01:31

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General

Target

2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe
Size

34KB
MD5

35105c62500695ab7a9acf23fcb48626
SHA1

95854adb6a4393aec600760eeee6eafcf9526126
SHA256

576df2827a30c51a593cd57a8c71d7a087a2ae4707521f50b2936654a7ae0175
SHA512

b93d2a4f4df8e77d18e9ac9240182f85838042696f64d432b0ad7fdbfa98cfa5e09b274ac5beb64ca3004f225d0f71e9acd19def1b1dff8c492b68b4acada59a
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJXTQke8SEMMV:bA74zYcgT/Ekd0ryfjQRSNhpSFc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f2-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3000	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1448	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3000	1448	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	27
PID 1448 wrote to memory of 3000	1448	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	27
PID 1448 wrote to memory of 3000	1448	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	27
PID 1448 wrote to memory of 3000	1448	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	27

C:\Users\Admin\AppData\Local\Temp\2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
34KB

MD5
cc7bf5bceee102df71ce84a6838451a1

SHA1
0b11a23ad65dd3c3a65b25d6b320e44b6adb857c

SHA256
feb585f8c2d67cd6963d44ecbb005a699c2f45f6b46e05e0ae39c46df8fe0422

SHA512
da53ae74adf68ceea772ab47a713bc96a1f47f9c3a03d4fa14af68d5eecdeda00fd47fd00d5d584ed6be63064e2105537ce0c4832479aac7286ea6b7cff219f6

Download Submit
memory/1448-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1448-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1448-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3000-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download